CIRCULATORY SYSTEM PT 3 - BLOOD & BLOOD PRESSURE

Question 1

Describe the characteristics of Blood.

such as: (Fluid/Cell %, pH #, male/female BV)

Answer 1

• 55% fluid / 45 % cell
• pH 7.4
• MALE BV: 5-6L
• FEMALE BV: 4-5L

Question 2

What is Plasma?

Answer 2

Fluid matrix of blood contaning nutrients, wastes, and hormones

Question 3

Define the function of this plasma protein: Albumin

Answer 3

Transports protein

Question 4

Define the function of this plasma protein: Globulins

Answer 4

Transport protein and immune responses

Question 5

Define the function of this plasma protein: Fibrinogen

Answer 5

Blood clotting

Question 6

Describe Erythrocytes.

Answer 6

(Red Blood Cell)

Oxygen carrying protein, living to 120 days.

Question 7

Define Hemopoiesis/Hematopoiesis.

Answer 7

Forms RBCs

Question 8

Define Hematocrit.

Answer 8

Percentage of BV occupied by RBCs

Question 9

Define Anemia.

Answer 9

Low hematocrit

Question 10

Define Polycythemia.

Answer 10

High hematocrit

Question 11

Describe Leukocytes.

Answer 11

(White Blood Cell)

A phagocytosis in immune responses

Question 12

Name the 3 Granular Leukocytes.

Answer 12

• Neutrophils/Polymorphonuclears
• Eosinophils
• Basophils

Question 13

What is the function of Neutrophils/Polymorphonuclears?

Answer 13

Most common phagocytosis

Question 14

What is the function of Eosinophils?

Answer 14

Allergic reactions and Parasitic infections

Question 15

What is the function of Basophils?

Answer 15

Stress and allergic responses

Question 16

Name the 2 Agranular Leukocytes.

Answer 16

• Lymphocytes

- Monocytes

Question 17

What are the cells contained in Lymphocytes?

Answer 17

B Cells
T Cells
Natural Killer Cells

Question 18

Define Leukocytosis.

Answer 18

Increase WBC count

Question 19

Define Leukopenia.

Answer 19

Decrease WBC count

Question 20

Describe the function of Platelets.

Answer 20

They stop bleeding and promote clotting, living to 5-9 days

Question 21

Define Blood Pressure.

Answer 21

Generated by Ventricular Contractions - pressure from blood vessel walls

Question 22

Define Systolic BP.

Answer 22

High arterial pressure during ventricular systole

Question 23

Define Diastolic BP.

Answer 23

Low arterial pressure during ventricular diastole

Question 24

What is Mean Arterial Pressure (MAP)?

Answer 24

Average blood pressure in arteries

Question 25

Explain Vascular Resistance.

What decreases/increases to increase blood pressure?

Answer 25

Decrease lumen size
Increase blood viscosity
Increase vessel length

=
Increase in Blood Pressure